| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual Monthly |
|
| Mean Max. Temperature (F) | 41.0 | 50.6 | 63.0 | 71.9 | 81.6 | 93.0 | 99.2 | 96.9 | 87.5 | 73.4 | 56.1 | 44.5 | 71.6 |
| Highest Mean Max. Temperature (F) | 53.4 | 61.0 | 70.7 | 81.3 | 87.2 | 98.0 | 104.6 | 102.1 | 94.2 | 81.1 | 64.1 | 53.3 | 104.6 |
| Year Highest Occurred | 1981 | 1995 | 1972 | 1992 | 2000 | 1977 | 1994 | 1994 | 1979 | 1988 | 1999 | 1980 | 1994 |
| Lowest Mean Max. Temperature (F) | 23.4 | 32.8 | 55.6 | 64.1 | 75.4 | 87.1 | 95.1 | 92.9 | 80.0 | 65.8 | 49.1 | 32.6 | 23.4 |
| Year Lowest Occurred | 1973 | 1974 | 1979 | 1975 | 1975 | 1975 | 1983 | 1984 | 1986 | 1984 | 2000 | 1978 | 1973 |
| Mean Temperature (F) | 26.8 | 35.4 | 46.3 | 54.2 | 63.3 | 72.8 | 79.4 | 77.7 | 67.8 | 54.4 | 40.4 | 30.2 | 54.1 |
| Highest Mean Temperature (F) | 35.8 | 44.1 | 50.7 | 61.0 | 67.1 | 78.0 | 83.1 | 82.8 | 72.7 | 58.6 | 44.3 | 38.0 | 83.1 |
| Year Highest Occurred | 1981 | 1986 | 1986 | 1992 | 1992 | 1988 | 1994 | 1994 | 1990 | 1988 | 1978 | 1980 | 1994 |
| Lowest Mean Temperature (F) | 7.6 | 16.6 | 41.3 | 48.6 | 58.4 | 66.6 | 75.6 | 74.1 | 63.7 | 49.9 | 33.6 | 19.8 | 7.6 |
| Year Lowest Occurred | 1973 | 1974 | 1977 | 1975 | 1975 | 1975 | 1993 | 1975 | 1971 | 1982 | 2000 | 1978 | 1973 |
| Mean Min. Temperature (F) | 12.6 | 20.2 | 29.5 | 36.4 | 45.0 | 52.5 | 59.6 | 58.4 | 48.1 | 35.3 | 24.6 | 15.9 | 36.5 |
| Highest Mean Min. Temperature (F) | 24.8 | 28.5 | 34.7 | 43.5 | 49.3 | 58.1 | 62.4 | 63.7 | 54.2 | 43.1 | 29.7 | 23.1 | 63.7 |
| Year Highest Occurred | 1980 | 1986 | 1992 | 1990 | 1992 | 1988 | 1990 | 2000 | 1990 | 1972 | 1978 | 1983 | 2000 |
| Lowest Mean Min. Temperature (F) | -8.5 | 0.4 | 22.8 | 32.6 | 41.2 | 46.2 | 54.2 | 53.3 | 42.4 | 27.8 | 18.0 | 6.2 | -8.5 |
| Year Lowest Occurred | 1989 | 1974 | 1977 | 1971 | 1983 | 1975 | 1993 | 1975 | 1988 | 1999 | 2000 | 1976 | 1989 |
| Mean Precipitation (in.) | 0.82 | 0.61 | 0.92 | 0.78 | 0.95 | 0.44 | 0.65 | 0.63 | 0.71 | 1.33 | 0.87 | 0.67 | 9.38 |
| Highest Precipitation (in.) | 2.48 | 2.72 | 2.93 | 2.29 | 3.82 | 1.30 | 2.30 | 1.50 | 2.53 | 4.40 | 2.50 | 2.28 | 4.40 |
| Year Highest Occurred | 1993 | 1993 | 1980 | 1999 | 1995 | 1995 | 1987 | 1993 | 1997 | 1972 | 1983 | 1978 | 1972 |
| Lowest Precipitation (in.) | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Year Lowest Occurred | 1992 | 1988 | 1994 | 1989 | 1974 | 1994 | 2000 | 1985 | 1993 | 1999 | 1995 | 1989 | 1992 |
| Heating Degree Days (F) | 1191. | 831. | 581. | 336. | 113. | 16. | 0. | 0. | 43. | 334. | 740. | 1079. | 5264. |
| Cooling Degree Days (F) | 0. | 0. | 0. | 10. | 59. | 249. | 447. | 393. | 127. | 4. | 0. | 0. | 1289. |